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Integrated Model for Simulation and Regulation of Basin Water Resources Considering Water Quantity and Quality and Its Application

Author

Listed:
  • Tianfu Wen

    (Jiangxi Academy of Water Science and Engineering, Nanchang 330029, China
    Jiangxi Key Laboratory of Flood and Drought Disaster Defense, Nanchang 330029, China)

  • Jinjun You

    (State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, China Institute of Water Resources and Hydropower Research, Beijing 100038, China)

  • Linus Zhang

    (Department of Water Resources Engineering, Lund University, 22100 Lund, Sweden)

  • Nanfang Zhao

    (Jiangxi Academy of Water Science and Engineering, Nanchang 330029, China
    Jiangxi Key Laboratory of Flood and Drought Disaster Defense, Nanchang 330029, China)

  • Zhenzhen Ma

    (State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, China Institute of Water Resources and Hydropower Research, Beijing 100038, China)

  • Xin Liu

    (Jiangxi Academy of Water Science and Engineering, Nanchang 330029, China
    Jiangxi Key Laboratory of Flood and Drought Disaster Defense, Nanchang 330029, China)

Abstract

With the rapid process of urbanization, water conflicts between different water use industries and areas are increasing. Therefore, China has implemented the three-cordons system of water resources management since 2012, when how to make more reasonable regulation of water resources became an urgent problem in most areas of China. In this study, taking the Yuanhe River Basin as an example, an integrated model for the simulation and regulation of water resources considering water quantity and quality from a river basin perspective was proposed, where the water supply was constrained by requirements of water resources management. First, the water resources system was conceptualized into a topologically hydraulic network in the form of point, line, and area elements, including 80 water use units and 79 water supply units. Then, taking the water quantity and quality as constraint conditions in the water supply for corresponding water use sectors, a management-oriented integrated model was established, which highlights the cordon control of the total water use and the pollution load limits of a basin. Finally, through a model simulation, the total water supply was controlled by regulating the water resources, while the pollutant loads into rivers depended on the discharge of water users. Based on the model, strategies for the utilization of water resources and achieving emission reductions of pollution loads were provided. The results of the proposed model in the Yuanhe River Basin showed that benchmarked against the total water demand of 1.705 billion m 3 , the water shortage was 212 million m 3 with a rate of 13.5%, and the loads of COD (Chemical Oxygen Demand) and NH3-N (Ammonia Nitrogen) were 29,096.7 and 2587.3 tons, respectively. The model can provide support for integrated water resources regulation in other basins or regions through a simulation of the natural–social water resources systems, and help stakeholders and decision-makers establish and implement advantageous strategies for regional efficient utilization of water resources.

Suggested Citation

  • Tianfu Wen & Jinjun You & Linus Zhang & Nanfang Zhao & Zhenzhen Ma & Xin Liu, 2025. "Integrated Model for Simulation and Regulation of Basin Water Resources Considering Water Quantity and Quality and Its Application," Sustainability, MDPI, vol. 17(8), pages 1-28, April.
    • Handle: RePEc:gam:jsusta:v:17:y:2025:i:8:p:3508-:d:1634461
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    References listed on IDEAS

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    1. Wenjie Geng & Xiaohui Jiang & Yuxin Lei & Jinyan Zhang & Huan Zhao, 2021. "The Allocation of Water Resources in the Midstream of Heihe River for the “97 Water Diversion Scheme” and the “Three Red Lines”," IJERPH, MDPI, vol. 18(4), pages 1-19, February.
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